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feat(llama-cpp): forward video input to mtmd (template + non-template paths)

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Wire request->videos() into grpc-server.cpp mirroring the existing image
and audio handling: a video_data build + non-template files extraction, and
input_video chat chunks on the tokenizer-template path. allow_video is
auto-set at model load by the vendored upstream chat_params.

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
This commit is contained in:
Ettore Di Giacinto
2026-06-08 15:06:51 +00:00
parent 37158c27df
commit 35ff935845
1 changed files with 71 additions and 2 deletions
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73
backend/cpp/llama-cpp/grpc-server.cpp
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@@ -381,6 +381,15 @@ json parse_options(bool streaming, const backend::PredictOptions* predict, const
});
}
// for each video in the request, add the video data
for (int i = 0; i < predict->videos_size(); i++) {
data["video_data"].push_back(json
{
{"id", i},
{"data", predict->videos(i)},
});
}
data["stop"] = predict->stopprompts();
// data["n_probs"] = predict->nprobs();
//TODO: images,
@@ -1503,7 +1512,7 @@ public:
msg_json["role"] = msg.role();
bool is_last_user_msg = (i == last_user_msg_idx);
bool has_images_or_audio = (request->images_size() > 0 || request->audios_size() > 0);
bool has_images_or_audio = (request->images_size() > 0 || request->audios_size() > 0 || request->videos_size() > 0);
// Handle content - can be string, null, or array
// For multimodal content, we'll embed images/audio from separate fields
@@ -1554,6 +1563,16 @@ public:
content_array.push_back(audio_chunk);
}
}
if (request->videos_size() > 0) {
for (int j = 0; j < request->videos_size(); j++) {
json video_chunk;
video_chunk["type"] = "input_video";
json input_video;
input_video["data"] = request->videos(j);
video_chunk["input_video"] = input_video;
content_array.push_back(video_chunk);
}
}
msg_json["content"] = content_array;
} else {
// Use content as-is (already array or not last user message)
@@ -1588,6 +1607,16 @@ public:
content_array.push_back(audio_chunk);
}
}
if (request->videos_size() > 0) {
for (int j = 0; j < request->videos_size(); j++) {
json video_chunk;
video_chunk["type"] = "input_video";
json input_video;
input_video["data"] = request->videos(j);
video_chunk["input_video"] = input_video;
content_array.push_back(video_chunk);
}
}
msg_json["content"] = content_array;
} else if (msg.role() == "tool") {
// Tool role messages must have content field set, even if empty
@@ -2039,6 +2068,16 @@ public:
files.push_back(decoded_data);
}
}
const auto &video_data = data.find("video_data");
if (video_data != data.end() && video_data->is_array())
{
for (const auto &video : *video_data)
{
auto decoded_data = base64_decode(video["data"].get<std::string>());
files.push_back(decoded_data);
}
}
}
const bool has_mtmd = ctx_server.impl->mctx != nullptr;
@@ -2291,7 +2330,7 @@ public:
}
bool is_last_user_msg = (i == last_user_msg_idx);
bool has_images_or_audio = (request->images_size() > 0 || request->audios_size() > 0);
bool has_images_or_audio = (request->images_size() > 0 || request->audios_size() > 0 || request->videos_size() > 0);
// Handle content - can be string, null, or array
// For multimodal content, we'll embed images/audio from separate fields
@@ -2344,6 +2383,16 @@ public:
content_array.push_back(audio_chunk);
}
}
if (request->videos_size() > 0) {
for (int j = 0; j < request->videos_size(); j++) {
json video_chunk;
video_chunk["type"] = "input_video";
json input_video;
input_video["data"] = request->videos(j);
video_chunk["input_video"] = input_video;
content_array.push_back(video_chunk);
}
}
msg_json["content"] = content_array;
} else {
// Use content as-is (already array or not last user message)
@@ -2383,6 +2432,16 @@ public:
content_array.push_back(audio_chunk);
}
}
if (request->videos_size() > 0) {
for (int j = 0; j < request->videos_size(); j++) {
json video_chunk;
video_chunk["type"] = "input_video";
json input_video;
input_video["data"] = request->videos(j);
video_chunk["input_video"] = input_video;
content_array.push_back(video_chunk);
}
}
msg_json["content"] = content_array;
SRV_INF("[CONTENT DEBUG] Predict: Message %d created content array with media\n", i);
} else if (!msg.tool_calls().empty()) {
@@ -2845,6 +2904,16 @@ public:
files.push_back(decoded_data);
}
}
const auto &video_data = data.find("video_data");
if (video_data != data.end() && video_data->is_array())
{
for (const auto &video : *video_data)
{
auto decoded_data = base64_decode(video["data"].get<std::string>());
files.push_back(decoded_data);
}
}
}
// process files